Poa annua Schltdl. & Cham. Dataset GBIF Backbone Taxonomy Rank SPECIES Published in Linnaea 6: 38 (1831) Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Poa species Poa infirma Name Homonyms Poa annua L. Poa annua Steud., 1854 Poa annua Schltdl. & Cham. Poa annua L.Sp.Pl